<template>
	<view>
		<view class="feedback-title">意见反馈 : </view>
		<view class="feedback-content">
			<textarea v-model='content' placeholder="请输入您要反馈的问题" class="feedback-textarea"></textarea>
		</view>
		<view class="feedback-title">
			反馈图片：
		</view>
		<view class="feedback-image-box">
			<view class="feedback-image-item" v-for="(item,index) in imageList" :key="index">
				<view class="close-icon" @click="del(index)">
					<uni-icons type="closeempty" size="18" color="#fff"></uni-icons>
				</view>
				<view class="image-box">
					<image :src="item.url" mode="aspectFill"></image>
				</view>
			</view>
			<view class="feedback-image-item" @click="addImage" v-if="imageList.length<5">
				<view class="image-box">
					<uni-icons type="plusempty" size="50" color="#eee"></uni-icons>
				</view>
			</view>
		</view>
		<button type="primary" class="feedback-button" @click="submit">提交反馈意见</button>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				imageList:[],
				content:''
			}
		},
		methods: {
			addImage(){
				const count = 5 -this.imageList.length
				uni.chooseImage({
					count:count,
					success: (res) => {
						const tempfilepaths = res.tempFilePaths;
						tempfilepaths.forEach((item,index)=>{
							if(index<count){
								this.imageList.push({
									url:item
								})
							}
						})
					}
				})
			},
			del(index){
				this.imageList.splice(index,1)
			},
			async submit(){
				let imagesPath = []
				//上传图片的api只能上传一张
				uni.showLoading()
				for(let i = 0;i<this.imageList.length;i++){
					let filePath = this.imageList[0].url
					filePath = await this.uploadFiles(filePath)
					imagesPath.push(filePath)
				}
				this.updateFeedback({
					content:this.content,
					feedbackImages:imagesPath
				})
			},
			async uploadFiles(filePath){
				const result = await uniCloud.uploadFile({
					filePath:filePath,
					cloudPath:filePath
				})
				console.log(result)
				return result.fileID
			},
			updateFeedback({content,feedbackImages}){
				this.$api.update_feedback({content,feedbackImages}).then(res=>{
					uni.hideLoading()
					uni.showToast({
						title:'反馈提交成功'
					})
					//提交完成后跳转到个人中心页面
					setTimeout(()=>{
						uni.switchTab({
							url:'/pages/tabbar/my/my'
						})
					},2000)
				}).catch(()=>{
					uni.hideLoading()
					uni.showToast({
						title:'反馈提交失败'
					})
				})
			}
		}
	}
</script>

<style lang="scss">
	.feedback-title{
		margin: 15px;
		margin-bottom: 0;
		font-size: 14px;
		color: #666;
	}
	.feedback-content{
		margin: 15px;
		padding: 10px;
		box-sizing: border-box;
		border: 1px #eee solid;
		.feedback-textarea{
			font-size: 12px;
			width: 100%;
			height: 100px;
		}
	}
.feedback-image-box{
	display: flex;
	flex-wrap: wrap;
	padding: 10px;
	.feedback-image-item{
			width: 33.33%;
			position: relative;
			height: 0;
			padding-top: 33.33%;
			box-sizing: border-box;
			.close-icon{
				display: flex;
				justify-content: center;
				align-items: center;
				position: absolute;
				right: 0;
				top: 0;
				width: 22px;
				height: 22px;
				border-radius: 50%;
				background-color: #ff5a5f;
				z-index: 1;
			}
			.image-box{
				display: flex;
				justify-content: center;
				align-items: center;
				position: absolute;
				top: 5px;
				right: 5px;
				bottom: 5px;
				left: 5px;
				border: 1px #eee solid;
				border-radius: 5px;
				overflow: hidden;
				image{
					width: 100%;
					height: 100%;
				}
			}
		}
}
.feedback-button{
	margin: 0 15px;
	background-color: $mk-base-color;
}

</style>
